| error: expected one of `>`, identifier, or lifetime, found `,` | |
| --> $DIR/issue-20616-9.rs:36:15 | |
| | | |
| LL | type Type_9<T,,> = Box<T>; //~ error: expected one of `>`, identifier, or lifetime, found `,` | |
| | ^ expected one of `>`, identifier, or lifetime here | |
| error: aborting due to previous error | |